The European Union has imposed more economic sanctions on Russia. The new penalties announced on Thursday add to measures by U.S.

President Vladimir Putin said on Thursday that Russia would never bow to pressure from the United States or any other country, and cautioned that the response to any strikes deep into Russia would be very serious and overwhelming.

The Polish foreign minister said he could not guarantee that Russian President Vladimir Putin's plane would not be forced to land.

President Trump has called off his planned summit with Russian President Vladimir Putin, which was set to take place in Budapest in the coming weeks. The White House said the decision followed what it described as a “productive” call between Secretary of State Marco Rubio and his Russian counterpart,

A weekend call between President Donald Trump and Ukrainian President Volodymyr Zelenskyy devolved into a "shouting match," and Russian state media pundits are now declaring it the result of Russian President Vladimir Putin's influence over Trump.

Donald Trump urged Volodymyr Zelenskyy to accept Russia’s terms for ending its war in a volatile White House meeting on Friday, warning that Vladimir Putin had said he would “destroy” Ukraine if it did not agree.

The denial came after a Financial Times report described a closed-door meeting at the White House that allegedly devolved into a “shouting match."

Kremlin envoy Kirill Dmitriev floated the tunnel idea late on Thursday after Putin spoke to Trump by phone and agreed to meet in Budapest.